/Engine/Source/Editor/UnrealEd/Public/AssetThumbnail.h
Interface for rendering a thumbnail in a slate viewport
class FAssetThumbnail : public [ISlateViewport](API\Runtime\SlateCore\Rendering\ISlateViewport), public [TSharedFromThis< FAssetThumbnail >](API\Runtime\Core\Templates\TSharedFromThis)